NVIDIA GeForce GT 520 PCIe x1 vs AMD Radeon HD 7950

VS

NVIDIA GeForce GT 520 PCIe x1

AMD Radeon HD 7950

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 520 PCIe x1 and 3GB VRAM Radeon HD 7950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 520 PCIe x1 's Advantages

Lower TDP (29W vs 200W)

AMD Radeon HD 7950 's Advantages

Released 9 months late

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (240.0GB/s vs 14.40GB/s)

1744 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 520 PCIe x1

0.156 TFLOPS

Radeon HD 7950 +1737%

2.867 TFLOPS

GeForce GT 520 PCIe x1

VS

Radeon HD 7950

Graphics Card

Apr 2011

Release Date

Jan 2012

GeForce 500

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x1

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

3GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

384bit

14.40GB/s

Bandwidth

240.0GB/s

Render Config

-

Compute Units

28

1

SM Count

-

48

Shading Units

1792

8

TMUs

112

4

ROPs

32

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

768 KB

-

Theoretical Performance

1.620 GPixel/s

Pixel Rate

25.60 GPixel/s

6.480 GTexel/s

Texture Rate

89.60 GTexel/s

-

155.5 GFLOPS

FP32 (float)

2.867 TFLOPS

12.96 GFLOPS

FP64 (double)

716.8 GFLOPS

Board Design

29W

TDP

200W

200 W

Suggested PSU

550 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

None

Power Connectors

2x 6-pin

Graphics Processor

GF119

GPU Name

Tahiti

-

GPU Variant

Tahiti PRO (215-0821056)

Fermi 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.292 billion

Transistors

4.313 billion

79 mm²

Die Size

352 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

5.1

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